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@dj-nitehawk
dj-nitehawk / 1-Program.cs
Created January 15, 2024 13:55
Custom Authorization Handler Sample
var builder = WebApplication.CreateBuilder();
builder.Services.AddTransient<IAuthorizationHandler, TestHandler>(); //Register your handler
builder.Services.AddFastEndpoints();
builder.Services.AddJWTBearerAuth("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
builder.Services.AddAuthorization(o =>
{
//Set the default policy to use your requirements (so you don't have to set the policy on each endpoint)
o.DefaultPolicy = new AuthorizationPolicyBuilder()
.RequireAuthenticatedUser()
.AddRequirements(new OperationAuthorizationRequirement()) //Using built-in requirement for testing here
@dj-nitehawk
dj-nitehawk / 1-BaseQuestion.cs
Last active January 10, 2024 10:40
Validator inheritance for polymorphic DTOs.
[
JsonPolymorphic(TypeDiscriminatorPropertyName = "_t"),
JsonDerivedType(typeof(MultiChoiceQuestionRequest), "mcq"),
JsonDerivedType(typeof(RatingQuestionRequest), "rq")
]
public class BaseQuestionRequest
{
public int Id { get; set; }
}
@dj-nitehawk
dj-nitehawk / Program.cs
Last active January 9, 2024 10:55
Request DTO inheritance with Validator composition
public class BaseRequest
{
public string? Id { get; init; }
}
public class BaseRequestValidator : Validator<BaseRequest>
{
public BaseRequestValidator()
{
RuleFor(x => x.Id)
@dj-nitehawk
dj-nitehawk / CreateTokenEndpoint.cs
Created January 7, 2024 03:13
Standard JWT Authentication Configuration
public class CreateToken : EndpointWithoutRequest
{
public override void Configure()
{
Get("token");
AllowAnonymous();
}
public override async Task HandleAsync(CancellationToken ct)
{
@dj-nitehawk
dj-nitehawk / Program.cs
Last active December 14, 2023 02:51
Adding/Throwing validation errors from within domain objects/services instead of using Results Pattern
using FastEndpoints;
using FastEndpoints.Swagger;
var bld = WebApplication.CreateBuilder();
bld.Services
.AddFastEndpoints()
.SwaggerDocument();
var app = bld.Build();
app.UseFastEndpoints()
@dj-nitehawk
dj-nitehawk / ClaimTransformation.cs
Last active December 9, 2023 07:17
Dynamic claim/permission hydration instead of embedding everything in JWT Token
sealed class UserPermissionHydrator(UserPermissionService userPermissionService) : IClaimsTransformation
{
public async Task<ClaimsPrincipal> TransformAsync(ClaimsPrincipal principal)
{
var userId = principal.Claims.FirstOrDefault(c => c.Type == "UserId")?.Value;
ArgumentNullException.ThrowIfNull(userId);
var userPermissions = await userPermissionService.GetPermissionsForUser(userId);
if (userPermissions.Length != 0)
@dj-nitehawk
dj-nitehawk / Program.cs
Created September 7, 2023 03:27
Storing `IJobStorageRecord` and `IEventStorageRecord` via EntityFramework Core
using FastEndpoints;
using MessagePack;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
public class JobRecord : IJobStorageRecord
{
public Guid Id { get; set; }
public string QueueID { get; set; }
public object Command { get; set; }
@dj-nitehawk
dj-nitehawk / Program.cs
Created September 8, 2023 09:06
JsonPatch usage with Swagger UI support
using FastEndpoints.Swagger;
using Microsoft.AspNetCore.JsonPatch;
using Microsoft.AspNetCore.JsonPatch.Operations;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using NJsonSchema.Annotations;
using System.Text.Json;
var bld = WebApplication.CreateBuilder();
bld.Services
@dj-nitehawk
dj-nitehawk / Program.cs
Last active October 23, 2023 13:09
Using old style app host-builder with `Startup.cs`
public class Program
{
public static void Main(string[] args)
=> CreateHostBuilder(args).Build().Run();
public static IHostBuilder CreateHostBuilder(string[] args)
=> Host.CreateDefaultBuilder(args)
.ConfigureWebHostDefaults(webBuilder => webBuilder.UseStartup<Startup>());
}
@dj-nitehawk
dj-nitehawk / GetTokenEndpoint.cs
Created October 22, 2023 08:04
Antiforgery Token Usage
sealed class GetAfTokenEndpoint : EndpointWithoutRequest
{
public IAntiforgery Antiforgery { get; set; }
public override void Configure()
{
Get("anti-forgery-token");
AllowAnonymous();
}